Solar charge & Light Sensor- Each solar garden light has a built-in 600 mAh battery, when replacing it use only the type: 600 mAh Ni-MH batterySince the battery is prone to aging, it is recommended to replace the battery after half a year for better useThese Solar lights automatically turn on in darkness or at night and turn off in daytime or bright areaIt can illuminate for 6-8 hours with 8 hours of charging (charging and working time will change depending on the weather) Upgraded Design- IP65 waterproof and high strength ABS make it suitable for outdoor useIt can effectively isolate the water and mistSuitable for outdoor use, no worries about rain, snow, frost, or sleetAnd enough strong to withstand inclement weather and 100Kg standing bodyIn order to prevent rust, please do not place it in a location that is easily flooded Easy to install & charge before use- It is recommended to place the ground light in the sun for 6-8 hours before use, as it may cause natural discharge during transportationJust need to cross the two spikes and install the holder to the hole of the garden lights then finish the installationPosition your outdoor lights in a location where it can be exposed to maximum sunlight during the day Advantage of Solar Lights- Wireless, Stainless, Waterproof and Durable designNo need to replace wiring or batteries, use free solar energyAdding perfect lighting for your courtyard, gardens, sidewalks, patio and corridors, etc customer Service- If youre unsatisfied with this item for any reason, please contact us well immediately help you solve the problem within 24 hoursAvoid your family from falling, Illuminate The Way HomeDecorative outdoor lights for your garden, pathway, yard, step, classy